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Mechanical Product Design Interview Questions
2,453 mechanical product design interview questions shared by candidates
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Basic Mechanical Engineering question most of Engineering Graphics
When have you been obstructed from achieving something you set out to do and how did you bounce back to succeed?
What is GD&T and why it is used?
1. Explain LMC, MMC, & RFS. Give its symbol (GD&T) 2. What is Bonus Tolerance 3. What is the difference between concentricity and circular run out? 4. The stress strain curve, Elastic limit? 5. Write Bending Equation 6. What is Factor of Safety? 7. SFD & BMD of simply supported load beam with point load. 8. What is fatigue? 9. Draw and explain SN Curve? 10. Draw and explain Goodman Soderberg Gerber Diagram? 11. Explain Reverse stress and repeated stresses 12. Explain Endurance Limit 13. What is stress concentration and stress concentration factor? 14. What are the methods to reduce stress concentration? 15. What is notch sensitivity? 16. Write the 5 theories of failure? 17. Difference between ductile and brittle materials and failure. 18. Criteria from material selection 19. Steps in product development 20. What is toughness 21. Types of loads/stresses acting on machine components 22. What is principle plane and principal stresses 23. One Tolerance stack up analysis problem – find tolerance for a notch 24. Table problem with point load (Yield Strength = 1000 N/mm2, Load = 100 N) 25. Hollow shaft or solid shaft carried more torque? 26. What is FMEA? What is it used for?
Talk about a past failure and what you learnt from it
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